Adding and Subtracting Matrices

How many rows are in a 7 x 3 matrix?

• 7
• 3
• 21
• 10

What values of x and y make the equation true?

• x = 5

  y = -2

• x = 3

  y = -5

• x = 9

  y = 10

• x = 16

  y = -5

What is the value of the variable in the equation?

• 
• 
• 
• 

What are the dimensions of this matrix?

• 2 x 3
• 3 x 2
• 6 x 1
• 1 x 6

What is the value of element a₂₃?

• 2
• -1
• 6
• 1

The number of elements in this matrix is

• 2

• 3

• 6

• 7

The order of a matrix is written as

• number of rows x number of columns

• number of columns x number of rows

• a multiple

• a number

What type of matrix is this?

• Column Matrix

• Row Matrix

• Square Matrix

• Zero Matrix

What type of matrix is this?

• Column Matrix

• Row Matrix

• Square Matrix

• Zero Matrix

Subtract

• -5
  -8
  3
  10
• -9
  8
  3
  2
• 5
  -8
  3
  10
• -5
  8
  3
  2